TD191 4G LTE USB Dongle

The TD191 4G LTE USB Dongle provides instant, reliable Internet from a device that's as powerful as it is compact. This cellular USB dongle leverages the Nano SIM card of your choice to receive global connectivity wherever your needs take you.

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Features & Capabilities

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Global Connection

Take 4G LTE internet with you wherever you go. The TD191 supports global LTE roaming bands in North America, EU, and China, so you're never too far away from reliable internet where and when you need it most.

Driverless Installation

Take the guesswork out of installing your new TD191 USB dongle with easy, driverless installation. Driverless installation is included with ChromeOS, Windows (Windows XP/Vista/7/8/10), macOS (macOS 10.7), and Linux (Ubuntu 14.04, 16.04, 18.04, and Fedora 28, 29, & 30). The TD191 works with other operating systems with the installation of the proper drivers.


The TD191 is suitable for laptops, hotspot routers, and any device with a USB port. The sleek, modern design is compact enough to slide into your pocket and can also be connected to your JACS tablet or display to fit all kinds of working environments.


The TD191 works across dozens of bands in multiple countries. The USB dongle conforms with several in-country standards as well as interoperability and cellular network standards. Certifications include: FCC, CE, PTCRB, GCF (Europe), IC (Canada), NCC (Taiwan), AT&T (In progress), AT&T FirstNet (In progress), SRRC/CCC/CTA (China, In progress.)

Environmentally Friendly

JACS technology has gone green. The TD191 works to meet your business standards for health/wellness, sustainability, and eco-friendliness. This USB dongle is California Proposition 65 and FCC SAR compliant and halogen-free.

Extended Storage

Extend your device storage with the TD191's built-in Micro SD card reader. This feature is ideal for providing your tablet, PC, or display with a fast and convenient way to store and access documents, images, music, videos, and other files from your memory card to your device.

The shutdown of 2G and 3G networks is quickly approaching!

The JACS TD191 4G LTE USB Dongle is here to help. Download the infographic to learn how.
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Customize Your TD191 4G LTE USB Dongle

JACS Solutions can customize the TD191 firmware to integrate drivers to optimize the dongle for your specific devices and needs. The TD191 is available in white or black and can be whitelabled or branded for your organization.  Firmware customization is available for APN settings or Linux systems. The TD191 is also Firmware-Over-the-Air upgradable.

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If you have a data Nano SIM card, then you have secure, reliable internet with the JACS’ TD191, LTE USB Dongle. Just insert the Nano SIM card of your choice into the dongle, plug the dongle into the device you’d like to receive internet connection, and await your high-speed internet. Suitable for laptops, hotspot routers, and any device with a USB port that needs mobile cellular network access, the TD191 is perfect for businesses looking to upgrade existing equipment to 4G without expensive equipment upgrade costs. The TD191 is simple to use and in most cases features driverless installation. The sleek, modern design lets you easily access the internet anywhere with global roaming in North America, EU, and China, from a device compact enough to slide into your pocket.

Qualcomm MDM 9X07
128 MB / 256 MB
4FF, Nano-SIM
Yes, 32GB
Windows XP, Vista/7/8/10, Linux, MacOS, Android
L (97)mm * W(30)mm * D(14)mm / L(3.81″) * W(1.18″) * D(0.55″)
LTE-FDD: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B17 / B20 / B14 / B66 (DL 150 Mbps / UL 50 Mbps); LTE-TDD: B38 / B39 / B40 / B41; HSPA: B1 / B2 / B4 / B5 / B8; GSM: 850 / 900 / 1800 / 1900
Airplane Standby Mode: No light; Booting Up: Solid Red; Searching for a Network: Solid Red; Registered to a 4G Network: Solid Blue; Sending Data on a 4G Network: Blinking Blue; Registered to a 3G HPSA Network: Solid Green; Sending Data on a 3G HPSA Network: Blinking Green; Registered to a 2G GSM Network: Solid Green; Sending data on a 2G GSM network: Blinking Green
28g / 0.99oz

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